where \(h\)  is the step length. In the \(h\rightarrow 0\)  limit, these parameters satisfy the following ODE [1]}, with \(s\)  denoting pseudo-time:
\(\frac{\,\mathrm {d}{\Theta }_{L,M}(s)}{\,\mathrm {d}s}=-ML\nabla _{{\Theta }_{L,M}} E({\Theta }_{L,M})\,,\quad \text{for}\; s\ge 0\,.\) 
